56
HCD-RV22/RV55
Pin No.
Pin Name
I/O
Pin Description
202
AUDDTO1
O
Serial audio data output Not used. (Open)
203
AUDBCK
O
Serial audio bit clock signal (2.8224 MHz) output to the digital filter
204
AUDLRCK
O
Serial audio L/R sampling clock signal (44.1 kHz) output to the digital filter
205
AUDXCLKO
O
Serial audio clock signal output to the digital filter
206
CLKA
I
Sub system clock input (27 MHz)
207
CLKB
O
Sub system clock output (27 MHz)
208
VDD9
—
Digital power supply pin (+2.5 V) (for CD-DSP block)
209
THRCLK
I
Clock signal input for the test Not used. (Open)
210
TESTEN
I
Setting pin for the test Normally : fixed at “L”
211
TCLK
I
Clock signal input for the test Not used. (Fixd at “L”)
212
TMODE1
I
Selection signal input for the test Not used. (Fixd at “L”)
213
TRST
I
Reset signal input for the test Not sused. (Open)
214
VSS9
—
Digital ground pin
215
NC
—
Not used. (Fixd at “L”.)
216
V AVD1
—
Analog power supply pin (+2.5 V) (for D/A converter)